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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0296472 (1989-01-12) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 312 인용 특허 : 0 |
An apparatus and method for simulating the forces acting on the steering wheel or other control device of a vehicle. The apparatus uses an electrical motor coupled to a steering wheel in the preferred embodiment. The electrical motor is driven by a computer running software which received data regar
An apparatus and method for simulating the forces acting on the steering wheel or other control device of a vehicle. The apparatus uses an electrical motor coupled to a steering wheel in the preferred embodiment. The electrical motor is driven by a computer running software which received data regarding the real world forces which would be acting upon a real steering wheel in a car under similar conditions. A software driver coupled to a position-sensing transducer on the steering wheel calculates the steering wheel position and velocity and sends this data to a model process not forming part of the invention. The model process then calculates the conditions affecting the simulated vehicle and outputs data reflecting the real world forces which would affect the steering wheel of the actual car under similar conditions. This data is used to calculate a force number which in turn drives a driver amplifier and motor combination coupled to the steering wheel of the simulated vehicle to simulate the forces that the driver of a real vehicle would feel.
An apparatus in a simulated vehicle for simulating in the steering wheel of said simulated vehicle the forces felt in a steering device of a real vehicle comprising: a rotatable steering wheel for a simulated vehicle for being manipulated by an operator of said simulated vehicle; an electric motor m
An apparatus in a simulated vehicle for simulating in the steering wheel of said simulated vehicle the forces felt in a steering device of a real vehicle comprising: a rotatable steering wheel for a simulated vehicle for being manipulated by an operator of said simulated vehicle; an electric motor means coupled to said steering wheel for driving said steering wheel with an amount of torque controlled by an input signal; travel limitation safety means coupled to said motor means for limiting the number of revolutions of said steering wheel to a predetermined maximum number such that if said steering wheel is allowed to rotate freely under the influence of said motor means, insufficient turns available for said steering wheel to attain an unsafe RPM that could injure a user; an amplifier means for driving said electric motor in accordance with a driving signal indicative of the amount of torque to apply to said steering wheel; sensor means coupled to said steering wheel for sensing the instantaneous position of said steering wheel; and computer means coupled to said amplifier means and said sensor means for calculating the position and velocity of movement of said steering wheel and for outputting said data, and for receiving model data regarding the forces which would be acting upon said steering wheel if said steering wheel was being used for steering a real vehicle and for calculating from said model data drive signal data necessary to define said driving signal and for generating said driving signal from said driving signal data and outputting said driving signal to cause said amplifier means to drive said motor means such that forces are felt by an operator manipulating said steering wheel which simulate the actual forces which would be felt in an actual steering wheel under similar conditions acting upon said real vehicle.
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